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blast furnace slag composition
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Additionally, sulphate resistance of 50% slag + 50% fly ash mixture activated with 10 m NaOH solution was evaluated. Mini Blast Furnace and Iron making. Applications. 1. Potential environmental impacts 15 8. 2. Process description 11 6. Other elements in the slag are MnO, S, K2O, FeO and Na2O etc. Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder. The petroleum industry has a great interest in the use of blast furnace slag for converting drilling mud into suitable cement for well cementing operations for zonal isolation. Production and composition. UK legislative position 6 4. 4 sieve) in diameter to dense, sand-size grains passing a 4.75 mm (No. 4. Granulated Blast Furnace Slag Granulated blast furnace slag is a glassy granular material that varies, depending on the chemical composition and method of production, from a coarse, popcornlike friable structure greater than 4.75 mm (No. Chemically it is similar to, but less reactive than, Portland cement (PC). ABS is a crystalline by-product produced by the solidification of molten blastfurnace slag. Blast furnace slag (BFS) A technical report on the manufacturing of blast furnace slag and material status in the UK. Materials and Methods 2.1. Electric-Arc-Furnace (EAF) Process of Steelmaking and Slag Generation . In actual fact, this by-product is valuable and extremely versatile construction material. 2.2. Blast Furnace Slag Specification (composition) Ground Granulated Blast Furnace Slag (PDF) Ground Blast Furnace Slag (PDF) Blast Furnace Slag Supplier. Increased in-plant recycling and lower quality raw … The tapping of blast furnace, also referred to sometimes as casting or drainage, is a process that removes hot metal and liquid slag from the blast furnace hearth. 8 J. H. LIU et al. The Quantitative Effect of Blast Furnace Slag Composition and Temperature on the Kinetics of Potassium Evaporation. Blast furnace slag has a typical composition of: Silicon dioxide. Magnesium oxide. Blast Furnace Slag. Physical Properties of Ground Granulated Blast Furnace Slag (GGBFS) Ground granulated blast furnace slag have a color nearly white in appearance. Blast furnace slag varies in composition and physical structure depending on the method of cooling of the slag. From the above two differences in composition compared with the Portland cement, would show changes in the hydration reaction as well as the hydration products that are given GGBFS. Alumina is usually present, though the levels can vary quite widely between sources. Introduction 10 million tons of blast furnace slag is produced in India annually as a byproduct of Iron and Steel Industry. Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properties. Blast Furnace Slag (BFS) results in production of GGBS which is a by- product of iron industry and have the potential to replace cement in concrete. It is a by-product of the iron-making industry. By-Product During Manufacturing . Blast furnace slag mortar samples were prepared using both sodium silicate and sodium hydroxide solutions as activator. The effects of fines and chemical composition of three types of ground granulated blast furnace slag (GGBFS) on various concrete properties were studied. Slag : Air-cooled blast furnace slag (ABS) What is ABS? When mixed with water it will hydrate in a similar way to Portland cement. The beneficial effect of blast furnace slag on the alkali silicate reaction was reported in [44], and the effect has two parts: First, blast furnace slag cement has a denser pore structure than Portland cement, and this hampers different transport processes needed for alkali silica reaction.

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